Ace Your First Aid for the USMLE Step 1 (2021) Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Physician Assistant (PA) Students
With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.
First Aid for the USMLE Step 1 (2021) | Physician Assistant (PA) School Study Aid
Muscle Types
- Characteristics
- Skeletal Muscle
- Somatic Nervous System
- Striated
- Multinucleate
- Cardiac Muscle
- Autonomic Nervous System
- Myogenic
- Gap Junctions
- Uninucleate
- Smooth Muscle
2 mins
Skeletal Muscle Contraction Initiation
- Somatic Motor Neuron Releases Acetylcholine
- Acetylcholine Causes Sodium Influx
- Cell Reaches All-or-Nothing Threshold
- Voltage-Gated Calcium Channels Undergo Conformational Change
- Sarcoplasmic Reticulum Causes Calcium Flood
- Calcium Flood Enters Myofibrils
1 min
Skeletal Muscle Contraction Action
- Characteristics
- Calcium Binds Troponin
- Active Site Exposed
- Many Mitochondria Produce ATP
- Myosin Head Binds
- Power Stroke
- Myosin Head Releases Active Site
- ATP Consumed
1 min
